Practical7

Treasure Hunt Trace

library(tmap)

package ‘tmap’ was built under R version 3.4.4

The location of Tube / Rail Stations in London

#You can have this for free, R fans. Reading XML can be a pain in R, you will need the 'layer' information, which is contained in the <name> tag in a KML file...
#install.packages("rgdal")
library(rgdal)
tubestations <- readOGR("https://www.doogal.co.uk/LondonStationsKML.ashx", "London stations with zone information")

Treasure Hunt Locations

library(tidyverse)

huntaddresses <- read_csv("https://www.dropbox.com/s/v66l4cx7aia9jlo/huntLocations.csv?raw=1")

Geocode with Google Maps API

Merge City of London Wards into a Single zone

library(sf)
library(plyr)

LondonWards_new <- st_union(LondonWardsSF, cityagg)

attribute variables are assumed to be spatially constant throughout all geometries

#finally, update the codes for the city of London so that they match your 
LondonWards_new[1,2] <- as.character("E09000001")
LondonWards_new[1,3] <- as.character("00AA")

LondonWards_new[1,4] <- as.character("City of London")